cve/2021/CVE-2021-3899.md

### [CVE-2021-3899](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3899)
![](https://img.shields.io/static/v1?label=Product&message=Apport&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=0%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=blue)

### Description

There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.

### POC

#### Reference
- https://bugs.launchpad.net/ubuntu/+source/apport/+bug/1948376

#### Github
- https://github.com/NaInSec/CVE-PoC-in-GitHub
- https://github.com/WhooAmii/POC_to_review
- https://github.com/k0mi-tg/CVE-POC
- https://github.com/liumuqing/CVE-2021-3899_PoC
- https://github.com/manas3c/CVE-POC
- https://github.com/whoforget/CVE-POC
- https://github.com/youwizard/CVE-POC
- https://github.com/zecool/cve